The front license plate mount appears to be designed for Japanese license plates because it's 13" wide and so are Japanese plates. I'm wondering if anyone knows of a US license plate frame that is 13" wide, or figured out another way to hide the rectangle
Looking a picture of the Chevy Volt front license plate mount, it's the perfect size for US plates. Also this isn't about mounting holes at all.
Here's what I'm pointing out. The mount sticks out half an inch on each side Whereas in Japan, it has a flush look that's way better Size difference: